Why don't online brands choose to change their logos and branding gradually over time instead of suddenly?

It seems that having dozens of intermediary steps would allow a logo design to change over a year or so without confusing customers and losing brand recognition?

Since many companies exist purely online, it wouldn't increase costs significantly.

Great design resource

100 Things Every Designer Needs to Know About People (Voices That Matter) Submitted July 07, 2017 at 10:24PM by stealthispost http://ift.tt/2syWjEH